Alkali resistance of fireclay fillers used for the production of dry mixtures of refractory concrete has been investigated. Evaluation of the alkali resistance of fireclay fillers, in which the amount of Al2O3 was approximately 26, 37 and 44 wt.%, has been carried out using x-ray diffraction analysis of fireclay filler and potassium carbonate mixtures. It is shown that, regardless of the Al2O3 amount, the fireclay filler is not resistant to alkali corrosion after firing at the temperatures of 1100 and 1200°C.
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Translated from Novye Ogneupory, pp. 48 - 52, No. 10, October, 2021.
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Antonovič, V., Zdanevicius, P., Maciulaitis, R. et al. Investigation of Alkali Resistance of Fireclay Fillers. Refract Ind Ceram 62, 593–597 (2022). https://doi.org/10.1007/s11148-022-00647-3
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DOI: https://doi.org/10.1007/s11148-022-00647-3